sep ‧ al /ˈsep ə l $ ˈsiː-/ BrE AmE noun [countable] technical
[ Date: 1800-1900 ; Language: Modern Latin ; Origin: sepalum , from sepa- (from Greek skepe 'covering' ) + -lum (as in petalum 'petal' ) ]
one of the small leaves directly under a flower
sep ‧ al /ˈsep ə l $ ˈsiː-/ BrE AmE noun [countable] technical
[ Date: 1800-1900 ; Language: Modern Latin ; Origin: sepalum , from sepa- (from Greek skepe 'covering' ) + -lum (as in petalum 'petal' ) ]
one of the small leaves directly under a flower
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012